[Libguestfs] [libguestfs/libnbd] nbd_connect_tcp: handshake: server policy prevents NBD_OPT_GO (#4)

[Richard W.M. Jones]

On Thu, Feb 11, 2021 at 08:37:10AM -0800, Shem Pasamba wrote:
> Running ./nbdfuse ../mnt --tcp 172.27.20.55 2222 results in:
> 
> nbd_connect_tcp: handshake: server policy prevents NBD_OPT_GO
> 
> # ./nbdfuse --version
> nbdfuse 1.6.1
> libnbd 1.7.1
> 
> With nbd-server started on Ubuntu 20.04 with command:
> 
> sudo nbd-server 2222 /dev/md1

In general I would recommend using a more featureful server,
ie. qemu-nbd or nbdkit.

The error means that the server returned error NBD_REP_ERR_POLICY, but
the true reason will only be contained in the logs on the server side.

Rich.

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